Home / 309,734.60-464,416.02-107,264

Finding the Fourth Proportional to 309,734.60, 464,416.02 and 107,264

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Solution

The fourth proportional to 309,734.60, 464,416.02 and 107,264 is: 160,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,734.60 : 464,416.02 = 107,264 : x
  2. Step 2: Convert to fraction form
    309,734.60/464,416.02 = 107,264/x
  3. Step 3: Cross multiply
    309,734.60x = 464,416.02 × 107,264
  4. Step 4: Simplify right side
    309,734.60x = 49,815,119,969.28
  5. Step 5: Solve for x
    x = 49,815,119,969.28/309,734.60
  6. Step 6: Final answer
    x = 160,831.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.